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-rw-r--r--Source/WebCore/html/HTMLBodyElement.cpp306
1 files changed, 185 insertions, 121 deletions
diff --git a/Source/WebCore/html/HTMLBodyElement.cpp b/Source/WebCore/html/HTMLBodyElement.cpp
index 9da1410fe..b1ee9c4c2 100644
--- a/Source/WebCore/html/HTMLBodyElement.cpp
+++ b/Source/WebCore/html/HTMLBodyElement.cpp
@@ -3,7 +3,7 @@
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* (C) 2000 Simon Hausmann (hausmann@kde.org)
* (C) 2001 Dirk Mueller (mueller@kde.org)
- * Copyright (C) 2004, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
+ * Copyright (C) 2004-2017 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
@@ -24,18 +24,20 @@
#include "config.h"
#include "HTMLBodyElement.h"
-#include "Attribute.h"
#include "CSSImageValue.h"
#include "CSSParser.h"
#include "CSSValueKeywords.h"
+#include "DOMWindow.h"
+#include "DOMWrapperWorld.h"
#include "EventNames.h"
#include "Frame.h"
#include "FrameView.h"
-#include "HTMLFrameElementBase.h"
+#include "HTMLFrameElement.h"
+#include "HTMLIFrameElement.h"
#include "HTMLNames.h"
#include "HTMLParserIdioms.h"
-#include "Page.h"
#include "StyleProperties.h"
+#include <wtf/NeverDestroyed.h>
namespace WebCore {
@@ -47,14 +49,21 @@ HTMLBodyElement::HTMLBodyElement(const QualifiedName& tagName, Document& documen
ASSERT(hasTagName(bodyTag));
}
-PassRefPtr<HTMLBodyElement> HTMLBodyElement::create(Document& document)
+bool HTMLBodyElement::isFirstBodyElementOfDocument() const
{
- return adoptRef(new HTMLBodyElement(bodyTag, document));
+ // By spec http://dev.w3.org/csswg/cssom-view/#the-html-body-element
+ // "The HTML body element is the first body HTML element child of the root HTML element html."
+ return document().body() == this;
}
-PassRefPtr<HTMLBodyElement> HTMLBodyElement::create(const QualifiedName& tagName, Document& document)
+Ref<HTMLBodyElement> HTMLBodyElement::create(Document& document)
{
- return adoptRef(new HTMLBodyElement(tagName, document));
+ return adoptRef(*new HTMLBodyElement(bodyTag, document));
+}
+
+Ref<HTMLBodyElement> HTMLBodyElement::create(const QualifiedName& tagName, Document& document)
+{
+ return adoptRef(*new HTMLBodyElement(tagName, document));
}
HTMLBodyElement::~HTMLBodyElement()
@@ -73,9 +82,9 @@ void HTMLBodyElement::collectStyleForPresentationAttribute(const QualifiedName&
if (name == backgroundAttr) {
String url = stripLeadingAndTrailingHTMLSpaces(value);
if (!url.isEmpty()) {
- auto imageValue = CSSImageValue::create(document().completeURL(url).string());
+ auto imageValue = CSSImageValue::create(document().completeURL(url));
imageValue.get().setInitiator(localName());
- style.setProperty(CSSProperty(CSSPropertyBackgroundImage, std::move(imageValue)));
+ style.setProperty(CSSProperty(CSSPropertyBackgroundImage, WTFMove(imageValue)));
}
} else if (name == marginwidthAttr || name == leftmarginAttr) {
addHTMLLengthToStyle(style, CSSPropertyMarginRight, value);
@@ -88,12 +97,56 @@ void HTMLBodyElement::collectStyleForPresentationAttribute(const QualifiedName&
} else if (name == textAttr) {
addHTMLColorToStyle(style, CSSPropertyColor, value);
} else if (name == bgpropertiesAttr) {
- if (equalIgnoringCase(value, "fixed"))
+ if (equalLettersIgnoringASCIICase(value, "fixed"))
addPropertyToPresentationAttributeStyle(style, CSSPropertyBackgroundAttachment, CSSValueFixed);
} else
HTMLElement::collectStyleForPresentationAttribute(name, value, style);
}
+HTMLElement::EventHandlerNameMap HTMLBodyElement::createWindowEventHandlerNameMap()
+{
+ static const QualifiedName* const table[] = {
+ &onbeforeunloadAttr,
+ &onblurAttr,
+ &onerrorAttr,
+ &onfocusAttr,
+ &onfocusinAttr,
+ &onfocusoutAttr,
+ &onhashchangeAttr,
+ &onlanguagechangeAttr,
+ &onloadAttr,
+ &onmessageAttr,
+ &onofflineAttr,
+ &ononlineAttr,
+ &onorientationchangeAttr,
+ &onpagehideAttr,
+ &onpageshowAttr,
+ &onpopstateAttr,
+ &onresizeAttr,
+ &onscrollAttr,
+ &onstorageAttr,
+ &onunloadAttr,
+ &onwebkitmouseforcechangedAttr,
+ &onwebkitmouseforcedownAttr,
+ &onwebkitmouseforceupAttr,
+ &onwebkitmouseforcewillbeginAttr,
+ &onwebkitwillrevealbottomAttr,
+ &onwebkitwillrevealleftAttr,
+ &onwebkitwillrevealrightAttr,
+ &onwebkitwillrevealtopAttr,
+ };
+
+ EventHandlerNameMap map;
+ populateEventHandlerNameMap(map, table);
+ return map;
+}
+
+const AtomicString& HTMLBodyElement::eventNameForWindowEventHandlerAttribute(const QualifiedName& attributeName)
+{
+ static NeverDestroyed<EventHandlerNameMap> map = createWindowEventHandlerNameMap();
+ return eventNameForEventHandlerAttribute(attributeName, map.get());
+}
+
void HTMLBodyElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (name == vlinkAttr || name == alinkAttr || name == linkAttr) {
@@ -105,8 +158,8 @@ void HTMLBodyElement::parseAttribute(const QualifiedName& name, const AtomicStri
else
document().resetActiveLinkColor();
} else {
- RGBA32 color;
- if (CSSParser::parseColor(color, value, !document().inQuirksMode())) {
+ Color color = CSSParser::parseColor(value, !document().inQuirksMode());
+ if (color.isValid()) {
if (name == linkAttr)
document().setLinkColor(color);
else if (name == vlinkAttr)
@@ -116,64 +169,48 @@ void HTMLBodyElement::parseAttribute(const QualifiedName& name, const AtomicStri
}
}
- setNeedsStyleRecalc();
- } else if (name == onloadAttr)
- document().setWindowAttributeEventListener(eventNames().loadEvent, name, value);
- else if (name == onbeforeunloadAttr)
- document().setWindowAttributeEventListener(eventNames().beforeunloadEvent, name, value);
- else if (name == onunloadAttr)
- document().setWindowAttributeEventListener(eventNames().unloadEvent, name, value);
- else if (name == onpagehideAttr)
- document().setWindowAttributeEventListener(eventNames().pagehideEvent, name, value);
- else if (name == onpageshowAttr)
- document().setWindowAttributeEventListener(eventNames().pageshowEvent, name, value);
- else if (name == onpopstateAttr)
- document().setWindowAttributeEventListener(eventNames().popstateEvent, name, value);
- else if (name == onblurAttr)
- document().setWindowAttributeEventListener(eventNames().blurEvent, name, value);
- else if (name == onfocusAttr)
- document().setWindowAttributeEventListener(eventNames().focusEvent, name, value);
-#if ENABLE(ORIENTATION_EVENTS)
- else if (name == onorientationchangeAttr)
- document().setWindowAttributeEventListener(eventNames().orientationchangeEvent, name, value);
-#endif
- else if (name == onhashchangeAttr)
- document().setWindowAttributeEventListener(eventNames().hashchangeEvent, name, value);
- else if (name == onresizeAttr)
- document().setWindowAttributeEventListener(eventNames().resizeEvent, name, value);
- else if (name == onscrollAttr)
- document().setWindowAttributeEventListener(eventNames().scrollEvent, name, value);
- else if (name == onselectionchangeAttr)
- document().setAttributeEventListener(eventNames().selectionchangeEvent, name, value);
- else if (name == onstorageAttr)
- document().setWindowAttributeEventListener(eventNames().storageEvent, name, value);
- else if (name == ononlineAttr)
- document().setWindowAttributeEventListener(eventNames().onlineEvent, name, value);
- else if (name == onofflineAttr)
- document().setWindowAttributeEventListener(eventNames().offlineEvent, name, value);
- else
- HTMLElement::parseAttribute(name, value);
+ invalidateStyleForSubtree();
+ return;
+ }
+
+ if (name == onselectionchangeAttr) {
+ document().setAttributeEventListener(eventNames().selectionchangeEvent, name, value, mainThreadNormalWorld());
+ return;
+ }
+
+ auto& eventName = eventNameForWindowEventHandlerAttribute(name);
+ if (!eventName.isNull()) {
+ document().setWindowAttributeEventListener(eventName, name, value, mainThreadNormalWorld());
+ return;
+ }
+
+ HTMLElement::parseAttribute(name, value);
}
Node::InsertionNotificationRequest HTMLBodyElement::insertedInto(ContainerNode& insertionPoint)
{
HTMLElement::insertedInto(insertionPoint);
- if (!insertionPoint.inDocument())
+ if (!insertionPoint.isConnected())
return InsertionDone;
// FIXME: It's surprising this is web compatible since it means a marginwidth and marginheight attribute can
// magically appear on the <body> of all documents embedded through <iframe> or <frame>.
// FIXME: Perhaps this code should be in attach() instead of here.
- Element* ownerElement = document().ownerElement();
- if (ownerElement && isHTMLFrameElementBase(*ownerElement)) {
- HTMLFrameElementBase& ownerFrameElement = toHTMLFrameElementBase(*ownerElement);
- int marginWidth = ownerFrameElement.marginWidth();
- if (marginWidth != -1)
- setIntegralAttribute(marginwidthAttr, marginWidth);
- int marginHeight = ownerFrameElement.marginHeight();
- if (marginHeight != -1)
- setIntegralAttribute(marginheightAttr, marginHeight);
- }
+ auto* ownerElement = document().ownerElement();
+ if (!is<HTMLFrameElementBase>(ownerElement))
+ return InsertionDone;
+
+ auto& ownerFrameElement = downcast<HTMLFrameElementBase>(*ownerElement);
+
+ // Read values from the owner before setting any attributes, since setting an attribute can run arbitrary
+ // JavaScript, which might delete the owner element.
+ int marginWidth = ownerFrameElement.marginWidth();
+ int marginHeight = ownerFrameElement.marginHeight();
+
+ if (marginWidth != -1)
+ setIntegralAttribute(marginwidthAttr, marginWidth);
+ if (marginHeight != -1)
+ setIntegralAttribute(marginheightAttr, marginHeight);
return InsertionDone;
}
@@ -188,9 +225,9 @@ bool HTMLBodyElement::supportsFocus() const
return hasEditableStyle() || HTMLElement::supportsFocus();
}
-static int adjustForZoom(int value, Frame& frame)
+static int adjustForZoom(int value, const Frame& frame)
{
- float zoomFactor = frame.pageZoomFactor() * frame.frameScaleFactor();
+ double zoomFactor = frame.pageZoomFactor() * frame.frameScaleFactor();
if (zoomFactor == 1)
return value;
// Needed because of truncation (rather than rounding) when scaling up.
@@ -201,91 +238,118 @@ static int adjustForZoom(int value, Frame& frame)
int HTMLBodyElement::scrollLeft()
{
- document().updateLayoutIgnorePendingStylesheets();
- Frame* frame = document().frame();
- if (!frame)
- return 0;
- FrameView* view = frame->view();
- if (!view)
- return 0;
-#if PLATFORM(IOS)
- return adjustForZoom(view->actualScrollX(), *frame);
-#else
- return adjustForZoom(view->scrollX(), *frame);
-#endif
+ if (isFirstBodyElementOfDocument()) {
+ document().updateLayoutIgnorePendingStylesheets();
+ Frame* frame = document().frame();
+ if (!frame)
+ return 0;
+ FrameView* view = frame->view();
+ if (!view)
+ return 0;
+ return adjustForZoom(view->contentsScrollPosition().x(), *frame);
+ }
+ return HTMLElement::scrollLeft();
}
void HTMLBodyElement::setScrollLeft(int scrollLeft)
{
- document().updateLayoutIgnorePendingStylesheets();
- Frame* frame = document().frame();
- if (!frame)
- return;
- FrameView* view = frame->view();
- if (!view)
- return;
- view->setScrollPosition(IntPoint(static_cast<int>(scrollLeft * frame->pageZoomFactor() * frame->frameScaleFactor()), view->scrollY()));
+ if (isFirstBodyElementOfDocument()) {
+ document().updateLayoutIgnorePendingStylesheets();
+ Frame* frame = document().frame();
+ if (!frame)
+ return;
+ FrameView* view = frame->view();
+ if (!view)
+ return;
+ view->setScrollPosition(IntPoint(static_cast<int>(scrollLeft * frame->pageZoomFactor() * frame->frameScaleFactor()), view->scrollY()));
+ }
+ HTMLElement::setScrollLeft(scrollLeft);
}
int HTMLBodyElement::scrollTop()
{
- document().updateLayoutIgnorePendingStylesheets();
- Frame* frame = document().frame();
- if (!frame)
- return 0;
- FrameView* view = frame->view();
- if (!view)
- return 0;
-#if PLATFORM(IOS)
- return adjustForZoom(view->actualScrollY(), *frame);
-#else
- return adjustForZoom(view->scrollY(), *frame);
-#endif
+ if (isFirstBodyElementOfDocument()) {
+ document().updateLayoutIgnorePendingStylesheets();
+ Frame* frame = document().frame();
+ if (!frame)
+ return 0;
+ FrameView* view = frame->view();
+ if (!view)
+ return 0;
+ return adjustForZoom(view->contentsScrollPosition().y(), *frame);
+ }
+ return HTMLElement::scrollTop();
}
void HTMLBodyElement::setScrollTop(int scrollTop)
{
- document().updateLayoutIgnorePendingStylesheets();
- Frame* frame = document().frame();
- if (!frame)
- return;
- FrameView* view = frame->view();
- if (!view)
+ if (isFirstBodyElementOfDocument()) {
+ document().updateLayoutIgnorePendingStylesheets();
+ Frame* frame = document().frame();
+ if (!frame)
+ return;
+ FrameView* view = frame->view();
+ if (!view)
+ return;
+ view->setScrollPosition(IntPoint(view->scrollX(), static_cast<int>(scrollTop * frame->pageZoomFactor() * frame->frameScaleFactor())));
+ }
+ return HTMLElement::setScrollTop(scrollTop);
+}
+
+void HTMLBodyElement::scrollTo(const ScrollToOptions& options)
+{
+ if (isFirstBodyElementOfDocument()) {
+ // If the element is the HTML body element, document is in quirks mode, and the element is not potentially scrollable,
+ // invoke scroll() on window with options as the only argument, and terminate these steps.
+ // Note that WebKit always uses quirks mode document scrolling behavior. See Document::scrollingElement().
+ // FIXME: Scrolling an independently scrollable body is broken: webkit.org/b/161612.
+ auto* window = document().domWindow();
+ if (!window)
+ return;
+
+ window->scrollTo(options);
return;
- view->setScrollPosition(IntPoint(view->scrollX(), static_cast<int>(scrollTop * frame->pageZoomFactor() * frame->frameScaleFactor())));
+ }
+ return HTMLElement::scrollTo(options);
}
int HTMLBodyElement::scrollHeight()
{
- // Update the document's layout.
- document().updateLayoutIgnorePendingStylesheets();
- Frame* frame = document().frame();
- if (!frame)
- return 0;
- FrameView* view = frame->view();
- if (!view)
- return 0;
- return adjustForZoom(view->contentsHeight(), *frame);
+ if (isFirstBodyElementOfDocument()) {
+ // Update the document's layout.
+ document().updateLayoutIgnorePendingStylesheets();
+ Frame* frame = document().frame();
+ if (!frame)
+ return 0;
+ FrameView* view = frame->view();
+ if (!view)
+ return 0;
+ return adjustForZoom(view->contentsHeight(), *frame);
+ }
+ return HTMLElement::scrollHeight();
}
int HTMLBodyElement::scrollWidth()
{
- // Update the document's layout.
- document().updateLayoutIgnorePendingStylesheets();
- Frame* frame = document().frame();
- if (!frame)
- return 0;
- FrameView* view = frame->view();
- if (!view)
- return 0;
- return adjustForZoom(view->contentsWidth(), *frame);
+ if (isFirstBodyElementOfDocument()) {
+ // Update the document's layout.
+ document().updateLayoutIgnorePendingStylesheets();
+ Frame* frame = document().frame();
+ if (!frame)
+ return 0;
+ FrameView* view = frame->view();
+ if (!view)
+ return 0;
+ return adjustForZoom(view->contentsWidth(), *frame);
+ }
+ return HTMLElement::scrollWidth();
}
void HTMLBodyElement::addSubresourceAttributeURLs(ListHashSet<URL>& urls) const
{
HTMLElement::addSubresourceAttributeURLs(urls);
- addSubresourceURL(urls, document().completeURL(getAttribute(backgroundAttr)));
+ addSubresourceURL(urls, document().completeURL(attributeWithoutSynchronization(backgroundAttr)));
}
} // namespace WebCore
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